//show a message to the user when the background worker has finished
//and re-enable the export buttons
private void bg_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
CallCtrlSafety.SetVisible <ProgressBar>(ProgressBar, false, this.ParentForm);
if (OnEndExport != null)
{
OnEndExport(this, new EventArgs());
}
if (MessageBox.Show("导出操作完成, 您想打开该Excel文件么?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
Process.Start(saveFileDialog.FileName);
}
}
/// <summary>
/// starts the export to new excel document
/// </summary>
/// <param name="filepath">the file to export to</param>
private void StartExport(String filepath)
{
if (OnStartExport != null)
{
OnStartExport(this, new EventArgs());
}
CallCtrlSafety.SetVisible <ProgressBar>(ProgressBar, true, this.ParentForm);
//create a new background worker, to do the exporting
BackgroundWorker bg = new BackgroundWorker();
bg.DoWork += new DoWorkEventHandler(bg_DoWork);
bg.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bg_RunWorkerCompleted);
bg.RunWorkerAsync(filepath);
//create a new export2XLS object, providing DataView as a input parameter
//export2XLS = new Export2Excel();
//export2XLS.OnProgressHandler += new Export2Excel.ProgressHandler(export2XLS_prg);
}
/// <summary>
/// 更新进度条的值
/// </summary>
private void export2XLS_prg(object sender, ProgressEventArgs e)
{
CallCtrlSafety.SetValue <ProgressBar>(ProgressBar, e.ProgressValue, this.ParentForm);
}
